Binocular magnifier.



o. J. TRQPPMAN. K BXNOGULAR MAGNIPIER. l APPLICATION FILED PEB. 17, 1912.

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Patented July 30,1912.

.all E JEM uw m M TTV BINCUILAB, MAGNTLFIER.

residen of ille (fini O' ifl'xifregf), Cerri' county, Slate ef llimiis, have irwen'ceal u new and useful Bine/cular fiaigfnier, which n n alien.

es 'le the praivisien 01": ffxiigjgniz which shall lie Suii'- able, for limf: clase of artisans and Frientists who require an inerument of the-bee(` qualiy; and 'he objects of my inventifmg are, irssl, teprevinle an iris'r-ument which shall b lig'lill, and, ai; ille 5eme lime, will. have gulli cient rigidiy 'to'rneimain the lemes Surely and eeeurely in their prequel' relations, second, in sixth en ir-,rumenl^ te provide nieuwe for the necessary aalju'stmesits willwm'; fleing ealiility; liirfl, to provide in such :m insrumeni. single which will take Care of the distance beweefe the lenses and the change er angle of the 'lenses ie lle eye 0:3 the wearer; ariel., fourth, the prerieien in Sueli en er'ele ef talee will e2:- cluel-e errreneees ligglr, pretest elle eyes rom ying per-fieles, el; 'lle seme iime will pernii lie we look down upon che ralle er bench -'or elle purpose G3: geting; e tool or oiierwis-e Wiixout the :necessity 0f elring the irisrr lent er mf looking ihren" a lle re ners.

Il etein *alle 'e elejecs lary mesme ei the s'-ree'ure ill* ef'l in elle eiceempanying d l" l lgure is a. plan of f. f2 is e herizoeei eenze eieratien; end-Fig 5 is e freg- Jenreil breaker, lrimrled eci-ew for adjusting lar para hrf'fugheu the Several views.

i he referenee numeral l. designates a "ce conform. to and fit upon lzlie abou: rifle eyes. The fece plaie eye epa-tures; therein, :md is formed Wli forwegrclljf extending anges, 2, relient sei@ apertures. wees er pinles, 3, are previded in 'die beteeme of fue llarlges,

2, upon laerel'y forwardly amending liebe; 4:, in lower Wells which are epe. ingafthrough Wliiela rile eble or eerieA may rie Wihoele megeifers, Upea ep- T. posie'perom 0;? jze tuve-es, 4, are ceetfrelly extending' bmekets, f5, :20 which are pivoted by piwtsA blacks, 8, whieh ere bored :md threeclecl ie receive he oppes'ie enfle of fue right und left szurew rod, l, alpen elle center el which is mounted ev digli, l, *with knul-led erige for convenience im lamine'.

Seemed ao "ehe central perion o the mee plaie, is e brecle, 1l, leaving arms which extend se es le 0eme e-beve and. below the screw rml. 9, upon either side er" alle disk, i0, se to liceale l'xe rod end per'mir, the forward fumi beck motion lzhereo developed by rotating lt. Lens-es, 12, may be mouillecl by; cement, or in :my other suitable man in lens cells., 18, which slide into the from and rezar ems o the tubes, e, and are maintained there by fricen.

it is a wnvenen arrangement io 'have lle forward lenses which are che ma iers 'decrenered shown in Fie'. '2 so es to user, but, es is obvious, any desired em'erigemem, or combinecion may lee mounler ee der scribed in lie tubes, (l, and when so mounted will lye lirm'jv maintained here.

ll. is further ebvious that Ler each afljusmerit of the megniiers together er apart lleengle ther-eef will be changed so as to coniuue them at right angles to the optical exis, e feature which is believed to be new in binocular magniers.

Sles, lli, pro 'iflefl in each emi o the ieee plaie, l, to which muy be secured any lesire means 'for maineining the magnir'iers in position upon he ee.

From '-'ne foregoing description, reken in eumneetion wie, the drawings, it will be seen fha the structure, While simple, will eer e Sube'amielity and rigidity necessary for mi accurately working optical in- Srrumen' will also afford facilities-for eeeumely obtaining lie ciesirable adjusmens; it will have e high degree of eilicienejr in hat extraneous light will be largely eliminate-fl it will al'ord the @peraor a lmite but extremely useful range of Vision Wihout loeb'ng through the megniers am@ -witl'mut removing the inserm,

merit and i will constitute en eiicen pr0- teetion to the eyes from -ymg pertleles.

Having described my inven'tien, Whet E @brim as nemend desire to secure by' Lei# iers Paent is :--l p p l. A binocular magnifier comprising' e. fece plete formed 'lo conform'io and t the :ieee about he eyes, seid plete having eye openings iglierein and afnges extending outwardly from lie edges of said eye openings, Vubes the ends whereof ere pivoted in seid flanges, blocks pivoted upon Jehe 'adjaoenis Ldes of said tubes, said blocks being bored und threaded, e right and left screwr working in the threads of seid bloeks,. e 'disk mounted centrally of said screw, abracket extending from said face plete aboutsaid screw and disk, and lens cells rictionally assembled. in said jnubes.

2. A binocularl magnifier comprising e fece plate, seid face plete having eye openings, tubes pivoed in said eye openings, sight openings inv the lower Walls of said 'ltubes adjacent said ieee plate, ineens for edgusting the outer' ends of seid' tubes at clill'erent disienees from each other, and lens cells mounted in tbe ends of sald tubes.

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' 3. A binocular magnifier comprising e.

member. adapted to conform y to and flt upon elle face, lens holding rnemberfs pivozed being; bored and threaded, a right andlet screw Working in the threaded blocks, a

disk centrally disposed upon seidsorew, and

ebracket vsurrounding seid disk and screw for centrally locating the same.

4. A binocular magnier comprising a fremeto lit the fece, lens'holding members pivotecl thereto, and means orfconverging seid lens holding members'fmvard their outer ends end swinging the lenses so that the lenses-Will be constantly et the seme angle to the optical exis ofihelenses.

In testimony whereof l have hereunto set my hand in the presence-of t-Wo Witnesses.

, CHARLES J. irnoerMsuz immesse; l

EDWARD S., CRAVEN, EDWARD'E. SWADEUER. 

